Inorganic Solid Phases

Ca1−xUxF2+2x, x= 2.38 (Ca0.88U0.12F2.12) Crystal Structure

General Information

  • Phase Label(s): Ca0.88U0.12F2.12
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: cF76
  • Space Group: 225
  • Phase Prototype: Pb0.95Th0.05F2.1
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; France, Grenoble, Centre d'Etudes Nucléaires CEN (determination of structural parameters), neutrons (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): fluoride
  • Interpretation Detail(s): complete structure determined; composition dependence studied, integrated intensity refinement, RB = 0.022
  • Sample Detail(s): sample prepared from UF4, CaF2, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Ca0.81U0.19F2.38
  • Alphabetic Formula: Ca0.81F2.38U0.19
  • Published Formula: Ca1−xUxF2+2x, x= 2.38
  • Refined Formula: Ca0.81F2.01U0.19
  • Wyckoff Sequence: 225,f2ca
  • Z Formula Units: 4
  • Density: ρ = 4.71 Mg·m−3

Crystallographic Data

Cell Parameters

Published Data
Standardized Data
Unit Cell
Niggli-Reduced Cell
Space Group
a
b
c
α
β
γ
a/b
b/c
c/a
V

Atom Coordinates

Standardized

Site
Element
Wyckoff Symbol
Symmetry
X
Y
Z
Occupation
Co-ord. No.
Atomic Env.

Published

Site
Element
Wyckoff Symbol
Symmetry
X
Y
Z
Occupation

Displacement Parameters

Isotropic

Site
Published
B [nm2]
Type
Computed
Beq [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1626520

  • Copyright

    ©Springer & Material Phases Data System (MPDS), Switzerland & National Institute for Materials Science (NIMS), Japan, 2016

  • Chief Editor

    Pierre Villars, Material Phases Data System (MPDS), CH-6354 Vitznau, Switzerland

    villars.mpds@bluewin.ch

  • Credits

    SpringerMaterials Release 2016.

    Data generated pre-2002: © Springer & MPDS & NIMS; post-2001: © Springer & MPDS

    All Rights Reserved. Version 2016.10.

    Project Coordinator: Shuichi Iwata

    Section-Editor: Karin Cenzual (Crystal Structures)

  • Cite this content

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